Apple has released another software update for the new 11 and 13-inch MacBook Air models. This update, which is an EFI firmware upgrade, follows the previous update released shortly after the new MacBook Air went on sale and other alleged fixes in Mac OS X 10.6.5.

According to Apple, “This update resolves a rare issue where MacBook Air boots or wakes to a black screen or becomes unresponsive. This update is recommended for all 11-inch and 13-inch MacBook Air (late 2010) models. “

Ars Technica stumbled upon an interesting tidbit while reviewing their 11-inch MacBook Air. They found a compelling reason for Apple to not install Adobe Flash on the MacBook Air and it wasn’t just because they wanted to make sure users always had the latest version of Flash.